Home / 2,987,013,521.20-4,480,520,281.80-2,691,107,172.40

Finding the Fourth Proportional to 2,987,013,521.20, 4,480,520,281.80 and 2,691,107,172.40

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Solution

The fourth proportional to 2,987,013,521.20, 4,480,520,281.80 and 2,691,107,172.40 is: 4,036,660,758.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,987,013,521.20 : 4,480,520,281.80 = 2,691,107,172.40 : x
  2. Step 2: Convert to fraction form
    2,987,013,521.20/4,480,520,281.80 = 2,691,107,172.40/x
  3. Step 3: Cross multiply
    2,987,013,521.20x = 4,480,520,281.80 × 2,691,107,172.40
  4. Step 4: Simplify right side
    2,987,013,521.20x = 12,057,560,266,435,649,536
  5. Step 5: Solve for x
    x = 12,057,560,266,435,649,536/2,987,013,521.20
  6. Step 6: Final answer
    x = 4,036,660,758.60

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.